import java.util.Scanner;


public class J2410232{
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while(scanner.hasNext()){
            int x = scanner.nextInt();
            int y = scanner.nextInt();
            int z = scanner.nextInt();
            Sub sub = new Sub(x,y,z);
            System.out.println(sub.func());
        }
    }
}

class Base{
    public int x;
    public int y;
    public Base(int x,int y){
        this.x = x;
        this.y = y;
    }

    public int getX() {
        return x;
    }

    public int getY() {
        return y;
    }
}
class Sub extends Base{
    private int z;
    public Sub(int x,int y,int z){
        super(x,y);
        this.z = z;
    }

    public int getZ() {
        return z;
    }

    public int func(){
        return super.getX() * super.getY() * this.getZ();
    }
}
